# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=mesa
pkgver=17.1.2
pkgrel=0
pkgdesc="Mesa DRI OpenGL library"
url="http://www.mesa3d.org"
arch="all"
license="LGPL"
depends=
subpackages="$pkgname-dev
	$pkgname-dri-ati:_dri
	$pkgname-dri-nouveau:_dri
	$pkgname-dri-swrast:_dri
	$pkgname-dri-vmwgfx:_dri
	$pkgname-dri-virtio:_dri
	$pkgname-glapi $pkgname-egl $pkgname-gl $pkgname-gles
	$pkgname-xatracker $pkgname-osmesa $pkgname-gbm
	$pkgname-libwayland-egl:_wayland
	"

_llvmver=4
depends_dev="libdrm-dev dri2proto libx11-dev libxext-dev libxxf86vm-dev
	libxdamage-dev libxfixes-dev libxcb-dev glproto dri3proto presentproto
	libxshmfence-dev"
makedepends="$depends_dev expat-dev xextproto python2 libxt-dev makedepend
	talloc-dev py-libxml2 flex bison llvm$_llvmver-dev eudev-dev libvdpau-dev
	libxvmc-dev gettext zlib-dev wayland-dev libelf-dev py-mako
	autoconf automake libtool"
source="https://mesa.freedesktop.org/archive/mesa-$pkgver.tar.xz
	glx_ro_text_segm.patch
	musl-fixes.patch
	musl-fix-includes.patch
	"

replaces="mesa-dricore"

_dri_driverdir=/usr/lib/xorg/modules/dri
_dri_drivers="r200,radeon,nouveau,swrast"
_gallium_drivers="r300,r600,radeonsi,nouveau,svga,swrast,virgl"
_vulkan_drivers="radeon"

builddir="$srcdir/mesa-$pkgver"

_arch_opts=

case "$CARCH" in
x86*)
	_dri_drivers="${_dri_drivers},i915,i965"
	_vulcan_drivers="$_vulcan_drivers,intel"
	subpackages="$subpackages $pkgname-dri-intel:_dri"
	_arch_opts="--enable-dri3"
	;;
arm*)
	_gallium_drivers="${_gallium_drivers},vc4"
	case "$CARCH" in
	armhf) CFLAGS="$CFLAGS -mfpu=neon";;
	esac
	;;
esac

prepare() {
	cd "$builddir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done
	libtoolize --force \
		&& aclocal \
		&& automake --add-missing \
		&& autoreconf || return 1
}

build() {
	cd "$builddir"

	export CFLAGS="$CFLAGS -D_XOPEN_SOURCE=700"
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr \
		--sysconfdir=/etc \
		--with-dri-driverdir=$_dri_driverdir \
		--disable-asm \
		--disable-xvmc \
		--enable-glx-rts \
		--with-gallium-drivers=${_gallium_drivers} \
		--with-dri-drivers=${_dri_drivers} \
		--with-vulcan-drivers=${_vulkan_drivers} \
		--with-llvm-prefix=/usr/lib/llvm$_llvmver \
		--enable-llvm-shared-libs \
		--enable-gallium-llvm \
		--with-egl-platforms=x11,drm,wayland \
		--enable-shared-glapi \
		--enable-gbm \
		--disable-glx-tls \
		--disable-nine \
		--enable-dri \
		--enable-glx \
		--enable-osmesa \
		--enable-gles1 \
		--enable-gles2 \
		--enable-egl \
		--enable-texture-float \
		--enable-xa \
		--enable-vdpau \
		$_arch_opts \
		|| return 1

	make || return 1
}

package() {
	cd "$builddir"
	make -j1 DESTDIR="$pkgdir" install || return 1
}

egl() {
	replaces="mesa"
	pkgdesc="Mesa libEGL runtime libraries"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libEGL.so* \
		"$subpkgdir"/usr/lib/
}

gl() {
	replaces="mesa"
	pkgdesc="Mesa libGL runtime libraries"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libGL.so* \
		"$subpkgdir"/usr/lib/
}

glapi() {
	replaces="$pkgname-gles"
	pkgdesc="Mesa shared glapi"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libglapi.so.* \
		"$subpkgdir"/usr/lib/
}

gles() {
	replaces="mesa"
	pkgdesc="Mesa libGLESv2 runtime libraries"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libGLES*.so* \
		"$subpkgdir"/usr/lib/
}

xatracker() {
	pkgdesc="Mesa XA state tracker for vmware"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libxatracker*.so.* \
		"$subpkgdir"/usr/lib/
}

osmesa() {
	pkgdesc="Mesa offscreen rendering libraries"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libOSMesa.so.* \
		"$subpkgdir"/usr/lib/
}

gbm() {
	pkgdesc="Mesa gbm library"
	replaces="mesa"
	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgbm.so.* \
		"$subpkgdir"/usr/lib/
}

_mv_dri() {
	install -d "$subpkgdir"/$_dri_driverdir

	while [ $# -gt 0 ]; do
		mv "$pkgdir"/$_dri_driverdir/${1}.so \
			"$subpkgdir"/$_dri_driverdir/ || return 1
		shift
	done
}

_mv_vdpau() {
	local i
	install -d "$subpkgdir"/usr/lib/vdpau
	for i in "$@"; do
		mv "$pkgdir"/usr/lib/vdpau/libvdpau_$i.* \
			"$subpkgdir"/usr/lib/vdpau/ || return 1
	done
}

_mv_gpipe() {
	return 0
	# http://cgit.freedesktop.org/mesa/mesa/commit/?id=44ec468e8033553c26a112cebba41c343db00eb1
	# https://code.google.com/p/chromium/issues/detail?id=412089
#	local i
#	install -d "$subpkgdir"/usr/lib/gallium-pipe
#	for i in "$@"; do
#		mv "$pkgdir"/usr/lib/gallium-pipe/pipe_$i.* \
#			"$subpkgdir"/usr/lib/gallium-pipe/ || return 1
#	done
}

_dri() {
	local n=${subpkgname##*-dri-}
	pkgdesc="Mesa DRI driver for $n"
	case $n in
	ati)
		_mv_dri radeon_dri r200_dri r300_dri r600_dri radeonsi_dri \
			&& _mv_vdpau r300 r600 radeonsi \
			&& _mv_gpipe r300 r600
		;;
	intel)
		_mv_dri i915_dri i965_dri
		;;
	nouveau)
		_mv_dri nouveau_dri nouveau_vieux_dri \
			&& _mv_vdpau nouveau \
			&& _mv_gpipe nouveau
		;;
	swrast)
		_mv_dri swrast_dri kms_swrast_dri && _mv_gpipe swrast
		;;
	vmwgfx)
		_mv_dri vmwgfx_dri && _mv_gpipe vmwgfx
		;;
	virtio)
		_mv_dri virtio_gpu_dri
		;;
	esac
}

_wayland() {
	pkgdesc="Mesa libwayland-egl library"
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libwayland-egl.so.* "$subpkgdir"/usr/lib/ \
		|| return 1
}

sha512sums="9df5e1a0336948a6ba338a9a8499b286543bc079f61f1cf85f6ecf98e05fab9a237777cde0d1e3f2153df9b07515cb8c1a08531d43f053783991ecdd32380d3b  mesa-17.1.2.tar.xz
c3d4804ebc24c7216e4c9d4995fb92e116be7f478024b44808ee134a4c93bb51d1f66fe5fb6eca254f124c4abf6f81272b027824b3e2650a9607818bf793035a  glx_ro_text_segm.patch
163bb96773686a7446f40a8415acef762910afb2f4f2271d429d9cbd9e3048111c8c0023c1f072fa63f33b68b2aea9d066efd9083904265151eeccbe8ccb7227  musl-fixes.patch
c7d91a660a033df91fac9c557039efc8669f0c26b2d35997d50753938b70d1af0bd110dcab3f8236eafab7d4be5dd7cd128a3e057e67e7e6a38a73fd6a7ef62e  musl-fix-includes.patch"